Home / 8,808.84-12,156.14-4,830.02

Finding the Fourth Proportional to 8,808.84, 12,156.14 and 4,830.02

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Solution

The fourth proportional to 8,808.84, 12,156.14 and 4,830.02 is: 6,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.84 : 12,156.14 = 4,830.02 : x
  2. Step 2: Convert to fraction form
    8,808.84/12,156.14 = 4,830.02/x
  3. Step 3: Cross multiply
    8,808.84x = 12,156.14 × 4,830.02
  4. Step 4: Simplify right side
    8,808.84x = 58,714,399.32
  5. Step 5: Solve for x
    x = 58,714,399.32/8,808.84
  6. Step 6: Final answer
    x = 6,665.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.